knuckleheadery
nounEtymology From knucklehead + -ery.
1
The actions or behavior of a knucklehead.
- "[…] his own tone and rhetoric might have been part of the reason for the outbreak of knuckleheadery and half-cockedness in the first place."2013, Radley Balko, Rise of the Warrior Cop: The Militarization of America's Police Forces: